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Finding the Fourth Proportional to 8,756.76, 12,079.83 and 5,924.26

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Solution

The fourth proportional to 8,756.76, 12,079.83 and 5,924.26 is: 8,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.76 : 12,079.83 = 5,924.26 : x
  2. Step 2: Convert to fraction form
    8,756.76/12,079.83 = 5,924.26/x
  3. Step 3: Cross multiply
    8,756.76x = 12,079.83 × 5,924.26
  4. Step 4: Simplify right side
    8,756.76x = 71,564,053.68
  5. Step 5: Solve for x
    x = 71,564,053.68/8,756.76
  6. Step 6: Final answer
    x = 8,172.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.